package com.example.demo.mapper;

import com.example.demo.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {



    @Select("select count(*) from emp")
    Long count();

    @Select("select * from emp limit #{page},#{pageSize}")
    List<Emp> page(Integer page, Integer pageSize);

    //PageHelper插件
    //@Select("select * from emp")
    List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);


    void delete(List<Integer> ids);

    @Insert("insert into emp (username, password, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
            "values (#{username},#{password},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void add(Emp emp);


    @Select("select * from emp where id = #{id}")
    Emp select(Integer id);


    void modify(Emp emp);


    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp login(Emp emp);



    @Delete("delete from emp where dept_id = #{id}")
    void deleteById(Integer id);
}
